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" within Papeles
Matthew E R Maitland et al.
Scientific reports, 9(1), 9864-9864 (2019-07-10)
The multi-subunit C-terminal to LisH (CTLH) complex is the mammalian homologue of the yeast Gid E3 ubiquitin ligase complex. In this study, we investigated the human CTLH complex and characterized its E3 ligase activity. We confirm that the complex immunoprecipitated...
Jun Li et al.
Molecular and cellular biology, 37(1) (2016-11-01)
EYA1 is known to be overexpressed in human breast cancer, in which the Myc protein is also accumulated in association with decreased phospho-T58 (pT58) levels. We have recently reported that EYA1 functions as a unique protein phosphatase to dephosphorylate Myc...
Edward C Goodwin et al.
PloS one, 9(4), e94322-e94322 (2014-04-16)
DNAJB12 and DNAJB14 are transmembrane proteins in the endoplasmic reticulum (ER) that serve as co-chaperones for Hsc70/Hsp70 heat shock proteins. We demonstrate that over-expression of DNAJB12 or DNAJB14 causes the formation of elaborate membranous structures within cell nuclei, which we...
Giuseppe Pisanelli et al.
Virus research, 213, 11-22 (2015-11-08)
La Piedad Michoacán Mexico Virus (LPMV) is a member of the Rubulavirus genus within the Paramyxoviridae family. LPMV is the etiologic agent of "blue eye disease", causing a significant disease burden in swine in Mexico with long-term implications for the...
Silvia Dibenedetto et al.
Molecular & cellular proteomics : MCP, 12(7), 1939-1952 (2013-04-13)
We previously identified a peptide aptamer (named R5G42) via functional selection for its capacity to slow cell proliferation. A yeast two-hybrid screen of human cDNA libraries, using R5G42 as "bait," allowed the identification of two binding proteins with very different...
Chun Yan et al.
Molecular cell, 70(1), 136-149 (2018-04-07)
Insect herbivory causes severe damage to plants and threatens the world's food production. During evolutionary adaptation, plants have evolved sophisticated mechanisms to rapidly accumulate a key defense hormone, jasmonate (JA), that triggers plant defense against herbivory. However, little is known...
Christoph Heier et al.
The Journal of biological chemistry, 292(46), 19087-19098 (2017-09-10)
Mammalian patatin-like phospholipase domain-containing proteins (PNPLAs) are lipid-metabolizing enzymes with essential roles in energy metabolism, skin barrier development, and brain function. A detailed annotation of enzymatic activities and structure-function relationships remains an important prerequisite to understand PNPLA functions in (patho-)physiology...
Xi Tang et al.
Oncotarget, 5(5), 1352-1362 (2014-03-25)
The development of effective therapies inhibiting prostate cancer progression and metastasis may substantially impact prostate cancer mortality and potentially reduce the rates of invasive treatments by enhancing the safety of active surveillance strategies. Hepsin (HPN) is a cell surface serine...
Jing Li et al.
EMBO reports, 21(8), e50095-e50095 (2020-06-20)
tRNA modifications at the anti-codon loop are critical for accurate decoding. FTSJ1 was hypothesized to be a human tRNA 2'-O-methyltransferase. tRNAPhe (GAA) from intellectual disability patients with mutations in ftsj1 lacks 2'-O-methylation at C32 and G34 (Cm32 and Gm34). However...
Kevin Goslin et al.
Plant physiology, 180(4), 2272-2289 (2019-06-23)
In plants, the protein RPM1-INTERACTING PROTEIN4 (RIN4) is a central regulator of both pattern-triggered immunity and effector-triggered immunity. RIN4 is targeted by several effectors, including the Pseudomonas syringae protease effector AvrRpt2. Cleavage of RIN4 by AvrRpt2 generates potentially unstable RIN4...
Borislav Dejanovic et al.
PLoS biology, 12(7), e1001908-e1001908 (2014-07-16)
Postsynaptic scaffolding proteins regulate coordinated neurotransmission by anchoring and clustering receptors and adhesion molecules. Gephyrin is the major instructive molecule at inhibitory synapses, where it clusters glycine as well as major subsets of GABA type A receptors (GABAARs). Here, we...
Wei Jia et al.
Autophagy, 11(12), 2335-2345 (2015-11-17)
The highly conserved cellular degradation pathway, macroautophagy, regulates the homeostasis of organelles and promotes the survival of T lymphocytes. Previous results indicate that Atg3-, Atg5-, or Pik3c3/Vps34-deficient T cells cannot proliferate efficiently. Here we demonstrate that the proliferation of Atg7-deficient...
Zhentao Zhang et al.
Nature structural & molecular biology, 24(8), 632-642 (2017-07-04)
Aggregated forms of α-synuclein play a crucial role in the pathogenesis of synucleinopathies such as Parkinson's disease (PD). However, the molecular mechanisms underlying the pathogenic effects of α-synuclein are not completely understood. Here we show that asparagine endopeptidase (AEP) cleaves...
Xingyu Pan et al.
eLife, 10 (2021-06-30)
The congenital intellectual disability (ID)-causing gene mutations remain largely unclear, although many genetic variations might relate to ID. We screened gene mutations in Chinese Han children suffering from severe ID and found a single-nucleotide polymorphism (SNP) in the 5'-untranslated region...
Pamela Nicholson et al.
Nucleic acids research, 42(14), 9217-9235 (2014-07-24)
Eukaryotic mRNAs with premature translation-termination codons (PTCs) are recognized and eliminated by nonsense-mediated mRNA decay (NMD). NMD substrates can be degraded by different routes that all require phosphorylated UPF1 (P-UPF1) as a starting point. The endonuclease SMG6, which cleaves mRNA...
The receptor-binding domain of influenza virus hemagglutinin produced in Escherichia coli folds into its native, immunogenic structure
DuBois RM, et al.
Journal of Virology, 85(2), 865-872 (2011)
Yi Guo et al.
Oncology letters, 12(2), 1387-1393 (2016-07-23)
Overexpression of Aurora A kinase occurs in certain types of cancer, and therefore results in chromosome instability and phosphorylation-mediated ubiquitylation and degradation of p53 for tumorigenesis. The high-risk subtype human papillomavirus (HPV)16 early oncoprotein E6 is a major contributor inducing...
Katrin Juenemann et al.
Frontiers in molecular neuroscience, 8, 1-1 (2015-02-13)
Protein conformation diseases, including polyglutamine (polyQ) diseases, result from the accumulation and aggregation of misfolded proteins. Huntington's disease (HD) is one of nine diseases caused by an expanded polyQ repeat within the affected protein and is hallmarked by intracellular inclusion...
Xiaokang Wang et al.
PLoS genetics, 15(4), e1008094-e1008094 (2019-04-30)
As a component of the Cytosolic Iron-sulfur cluster Assembly (CIA) pathway, DRE2 is essential in organisms from yeast to mammals. However, the roles of DRE2 remain incompletely understood largely due to the lack of viable dre2 mutants. In this study...
Mark E Reeves et al.
PloS one, 9(7), e101679-e101679 (2014-07-10)
RASSF1C is a major isoform of the RASSF1 gene, and is emerging as an oncogene. This is in contradistinction to the RASSF1A isoform, which is an established tumor suppressor. We have previously shown that RASSF1C promotes lung cancer cell proliferation...
Tian-Sheng He et al.
Cell death & disease, 11(1), 5-5 (2020-01-11)
T cell homeostasis is critical for the proper function of the immune system. Following the sharp expansion upon pathogen infection, most T cells die in order to keep balance in the immune system, a process which is controlled by death...
Regulation of Aluminum Resistance in Arabidopsis Involves the SUMOylation of the Zinc Finger Transcription Factor STOP1.
Fang, et al.
Plant Cell, 32, 3921-3938 (2021)
Qian Ma et al.
Human reproduction (Oxford, England), 32(11), 2178-2187 (2017-10-13)
What are the features of FAM71D (Family with sequence similarity 71, member D) expression and is there an association between FAM71D expression and sperm motility? FAM71D, a novel protein exclusively expressed in the testis, is located in sperm flagella and...
Qiaoqiao Zhou et al.
The FEBS journal, 287(15), 3165-3183 (2020-01-07)
Tumor necrosis factor α (TNFα)- and interleukin 1β (IL-1β)-induced nuclear factor-κB (NF-κB) activation play key roles in inflammation, immunity, and cancer development. Here, we identified one of the deubiquitinating enzymes (DUBs), ubiquitin-specific protease 15 (USP15), as a positive regulator in...
Tanusree Sen et al.
The Journal of biological chemistry, 286(50), 43204-43213 (2011-10-25)
Tumor protein (TP)-p53 family members often play proapoptotic roles, whereas nuclear factor κB (NF-κB) functions as a proapoptotic and antiapoptotic regulator depending on the cellular environment. We previously showed that the NF-κB activation leads to the reduction of the TP63...
Amanda W Rushing et al.
Journal of virology, 92(15) (2018-05-18)
Adult T-cell leukemia (ATL) is a fatal malignancy of CD4+ T cells infected with human T-cell leukemia virus type 1 (HTLV-1). ATL cells often exhibit random gross chromosomal rearrangements that are associated with the induction and improper repair of double-stranded...
Tianlong Zhang et al.
Nature communications, 8(1), 1394-1394 (2017-11-11)
Amino acid-dependent activation of the mechanistic target of rapamycin complex 1 (mTORC1) is mediated by Rag GTPases, which are recruited to the lysosome by the Ragulator complex consisting of p18, MP1, p14, HBXIP and C7orf59; however, the molecular mechanism is...
Xu Feng et al.
The EMBO journal, 39(14), e104036-e104036 (2020-06-03)
Mechanistic understanding of how ionizing radiation induces type I interferon signaling and how to amplify this signaling module should help to maximize the efficacy of radiotherapy. In the current study, we report that inhibitors of the DNA damage response kinase...
Shaobing Gao et al.
The Journal of biological chemistry, 292(9), 3683-3691 (2017-01-15)
Cullin-RING ligase 4 (CRL4), a complex of Cul4 and DDB1, regulates the cell cycle, DNA damage repair, and chromatin replication by targeting a variety of substrates for ubiquitination. CRL4 is also hijacked by viral proteins or thalidomide-derived compounds to degrade...
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